High-efficiency broadband achromatic metalens for near-IR biological imaging window

• Published in: Nature communications Vol. 12; no. 1; pp. 5560 - 7
• Main Authors: Wang, Yujie, Chen, Qinmiao, Yang, Wenhong, Ji, Ziheng, Jin, Limin, Ma, Xing, Song, Qinghai, Boltasseva, Alexandra, Han, Jiecai, Shalaev, Vladimir M., Xiao, Shumin
• Format: Journal Article
• Language: English
• Published: London Nature Publishing Group UK 21.09.2021; Nature Publishing Group; Nature Portfolio
• Subjects: 639/624/399/1015; 639/925/357/1015; Achromatism; Broadband; Efficiency; Fabrication; Group delay; High aspect ratio; Humanities and Social Sciences; Infrared imaging; multidisciplinary; Near infrared radiation; Numerical aperture; Science; Science (multidisciplinary); Titanium; Titanium dioxide; Wavelengths

Over the past years, broadband achromatic metalenses have been intensively studied due to their great potential for applications in consumer and industry products. Even though significant progress has been made, the efficiency of technologically relevant silicon metalenses is limited by the intrinsi...